<template>
  <div>
    <TypeNav/>

    <div class="main">
      <div class="py-container">

        <!--bread面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的面包屑 -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName }}
              <i @click="removeCategoryName">×</i>
            </li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}
              <i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1] }}
              <i @click="removeTradeMark">×</i>
            </li>
            <!-- 平台的售卖的属性值的展示的面包屑 -->
            <li class="with-x" v-for="(attrValue, index) in searchParams.props" :key="index">
              {{ attrValue.split(':')[1] }}
              <i @click="removeAttr(index)">×</i>
            </li>
          </ul>
        </div>
        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo"/>
        <!--details详情-->
        <div class="details clearfix">
          <!-- 排序 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active: isOne}" @click="changeOrder('1')">
                  <a>综合
                    <span v-show="isOne"
                          class="iconfont"
                          :class="{ 'icon-long-arrow-up': isAsc, 'icon-long-arrow-down': isDesc }">
                    </span>
                  </a>
                </li>
                <li :class="{active: isTwo}" @click="changeOrder('2')">
                  <a>价格
                    <span v-show="isTwo"
                          class="iconfont"
                          :class="{'icon-long-arrow-up': isAsc,'icon-long-arrow-down': isDesc }">
                    </span>
                  </a>
                </li>
              </ul>
            </div>
          </div>

          <!--商品详情-->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5"
                  v-for="good in goodsList"
                  :key="good.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 在路由跳转的时候别忘记带id(params)参数  -->
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg" alt=""/>
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="#"
                       :title="good.title">
                      {{ good.title }}
                    </a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>

          <!-- 分页器 -->
          <!-- pageNo:当前页  pageSize：每页展示几条数据    total:总共的数据  continues：连续展示的页数  -->
          <pagination :pageNo="searchParams.pageNo"
                      :pageSize="searchParams.pageSize"
                      :total="total"
                      :continues="5"
                      @getPageNo="getPageNo"
          />

        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import SearchSelector from './SearchSelector/SearchSelector'
  import {mapGetters, mapState} from "vuex";

  export default {
    name: 'Search',
    data() {
      return {
        //带给服务器的参数
        searchParams: {
          //一二三级分类id
          category1Id: "",
          category2Id: "",
          category3Id: "",
          //分类名字
          categoryName: "",
          //关键字
          keyword: "",
          //排序:初始状态应该是 综合且降序
          order: "1:desc",
          //分页器 页数
          pageNo: 1,
          //每页展示的数据个数
          pageSize: 5,
          //平台售卖属性操作的参数
          props: [],
          //品牌
          trademark: ""
        },
      }
    },
    components: {SearchSelector},
    beforeMount() {
      //在发请求之前， 把接口需要传递的参数,进行整理
      // Object.assign: ES6新增语法, 合并对象
      Object.assign(this.searchParams, this.$route.query, this.$route.params)
    },
    mounted() {
      //在发请求之前需要将searchParams里面参数进行修改带给服务器
      this.getData()
    },
    computed: {
      ...mapGetters(['goodsList', 'attrsList', 'trademarkList']),
      isOne() {
        return this.searchParams.order.indexOf('1') !== -1
      },
      isTwo() {
        return this.searchParams.order.indexOf('2') !== -1
      },
      isAsc() {
        return this.searchParams.order.indexOf('asc') !== -1
      },
      isDesc() {
        return this.searchParams.order.indexOf('desc') !== -1
      },
      //获取search 模块展示的产品一共多少数据
      ...mapState({
        total: state => state.search.searchList.total
      })
    },
    methods: {
      //派发请求
      getData() {
        this.$store.dispatch('getSearchList', this.searchParams)
      },
      //删除分类的名字
      removeCategoryName() {
        //把带给服务器的参数置空, 还需要像服务器发送请求
        this.searchParams.categoryName = undefined;
        this.searchParams.category1Id = undefined;
        this.searchParams.category2Id = undefined;
        this.searchParams.category3Id = undefined;
        this.getData()
        //地址栏也需要修改: 进行路由跳转  自己跳自己 删除query参数
        if (this.$route.params) {
          this.$router.push({name: 'search', params: this.$route.params})
        }
      },
      //删除关键字
      removeKeyword() {
        //给服务器searchParams 的keyword 置空
        this.searchParams.keyword = undefined
        //发起请求
        this.getData()
        //通知Header清楚关键字
        this.$bus.$emit('clear')
        //进行路由的跳转
        if (this.$route.query) {
          this.$router.push({name: 'search', query: this.$route.query})
        }
      },
      //自定义事件回调
      trademarkInfo(trademark) {
        //整理品牌字段的参数   'ID: 品牌名称'
        this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
        //再次发请求获取search模块列表数据进行展示
        this.getData();
      },
      //删除品牌信息
      removeTradeMark() {
        //将品牌信息置空
        this.searchParams.trademark = undefined;
        //再次发起请求
        this.getData()
      },
      //收集平台属性地方回调函数(自定义事件)
      attrInfo(attr, attrValue) {
        // ["属性ID:属性值:属性名"]
        //参数格式整理好
        let props = `${attr.attrId}:${attrValue}:${attr.attrName}`;
        //数组去重
        if (this.searchParams.props.indexOf(props) === -1) this.searchParams.props.push(props)
        //再次发请求
        this.getData()
      },
      //删除售卖属性
      removeAttr(index) {
        //再次整理参数
        this.searchParams.props.splice(index, 1)
        //再次发请求
        this.getData()
      },
      //排序的操作
      changeOrder(flag) {
        //flag形参: 是一个标记， 代表用户点击的是 综合(1) 价格(2) 用户点击时候传递进来的
        // 先获取order的初始状态 【通过初始状态去判断接下来做什么】
        let originOrder = this.searchParams.order;
        let originFlag = originOrder.split(':')[0];
        let originSort = originOrder.split(':')[1];
        // console.log('起始的Flag' + originFlag, '用户点击的Flag   ' + flag);
        //准备一个新的order的属性值
        let newOrder = '';
        //判断多次点击的是不是同一个按钮
        if (flag === originFlag) {
          newOrder = `${originFlag}:${originSort === 'desc' ? 'asc' : 'desc'}`
        } else {
          //点击的不是同一个按钮
          newOrder = `${flag}:desc`
        }
        //将新的order值赋给order
        this.searchParams.order = newOrder;
        //再次发请求
        this.getData()

      },
      //自定义事件的回调函数 --- 获取当前第几页
      getPageNo(pageNo) {
        // 整理带给服务器的参数
        this.searchParams.pageNo = pageNo;
        //再次发请求
        this.getData()
      }

    },
    watch: {
      //监听路由的信息是否发生变化, 如果发生变化, 再次发起请求
      $route() {
        //再次发起请求之前整理带给服务器参数
        Object.assign(this.searchParams, this.$route.query, this.$route.params)
        //再次发起ajax请求
        this.getData()
        //每一次请求完毕，应该把相应的 1、2、3级分类的id置空, 让他接收下一次的 1、2、3级id
        this.searchParams.category1Id = undefined
        this.searchParams.category2Id = undefined
        this.searchParams.category3Id = undefined
      }
    }


  }
</script>

<style lang="less" scoped>
  .main {
    margin: 10px 0;

    .py-container {
      width: 1200px;
      margin: 0 auto;

      .bread {
        margin-bottom: 5px;
        overflow: hidden;

        .sui-breadcrumb {
          padding: 3px 15px;
          margin: 0;
          font-weight: 400;
          border-radius: 3px;
          float: left;

          li {
            display: inline-block;
            line-height: 18px;

            a {
              color: #666;
              text-decoration: none;

              &:hover {
                color: #4cb9fc;
              }
            }
          }
        }

        .sui-tag {
          margin-top: -5px;
          list-style: none;
          font-size: 0;
          line-height: 0;
          padding: 5px 0 0;
          margin-bottom: 18px;
          float: left;

          .with-x {
            font-size: 12px;
            margin: 0 5px 5px 0;
            display: inline-block;
            overflow: hidden;
            color: #000;
            background: #f7f7f7;
            padding: 0 7px;
            height: 20px;
            line-height: 20px;
            border: 1px solid #dedede;
            white-space: nowrap;
            transition: color 400ms;
            cursor: pointer;

            i {
              margin-left: 10px;
              cursor: pointer;
              font: 400 14px tahoma;
              display: inline-block;
              height: 100%;
              vertical-align: middle;
            }

            &:hover {
              color: #28a3ef;
            }
          }
        }
      }

      .details {
        margin-bottom: 5px;

        .sui-navbar {
          overflow: visible;
          margin-bottom: 0;

          .filter {
            min-height: 40px;
            padding-right: 20px;
            background: #fbfbfb;
            border: 1px solid #e2e2e2;
            padding-left: 0;
            border-radius: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

            .sui-nav {
              position: relative;
              left: 0;
              display: block;
              float: left;
              margin: 0 10px 0 0;

              li {
                float: left;
                line-height: 18px;

                a {
                  display: block;
                  cursor: pointer;
                  padding: 11px 15px;
                  color: #777;
                  text-decoration: none;
                }

                &.active {
                  a {
                    background: #e1251b;
                    color: #fff;
                  }
                }
              }
            }
          }
        }

        .goods-list {
          margin: 20px 0;

          ul {
            display: flex;
            flex-wrap: wrap;

            li {
              height: 100%;
              width: 20%;
              margin-top: 10px;
              line-height: 28px;

              .list-wrap {
                .p-img {
                  padding-left: 15px;
                  width: 215px;
                  height: 255px;

                  a {
                    color: #666;

                    img {
                      max-width: 100%;
                      height: auto;
                      vertical-align: middle;
                    }
                  }
                }

                .price {
                  padding-left: 15px;
                  font-size: 18px;
                  color: #c81623;

                  strong {
                    font-weight: 700;

                    i {
                      margin-left: -5px;
                    }
                  }
                }

                .attr {
                  padding-left: 15px;
                  width: 85%;
                  overflow: hidden;
                  margin-bottom: 8px;
                  min-height: 38px;
                  cursor: pointer;
                  line-height: 1.8;
                  display: -webkit-box;
                  -webkit-box-orient: vertical;
                  -webkit-line-clamp: 2;

                  a {
                    color: #333;
                    text-decoration: none;
                  }
                }

                .commit {
                  padding-left: 15px;
                  height: 22px;
                  font-size: 13px;
                  color: #a7a7a7;

                  span {
                    font-weight: 700;
                    color: #646fb0;
                  }
                }

                .operate {
                  padding: 12px 15px;

                  .sui-btn {
                    display: inline-block;
                    padding: 2px 14px;
                    box-sizing: border-box;
                    margin-bottom: 0;
                    font-size: 12px;
                    line-height: 18px;
                    text-align: center;
                    vertical-align: middle;
                    cursor: pointer;
                    border-radius: 0;
                    background-color: transparent;
                    margin-right: 15px;
                  }

                  .btn-bordered {
                    min-width: 85px;
                    background-color: transparent;
                    border: 1px solid #8c8c8c;
                    color: #8c8c8c;

                    &:hover {
                      border: 1px solid #666;
                      color: #fff !important;
                      background-color: #666;
                      text-decoration: none;
                    }
                  }

                  .btn-danger {
                    border: 1px solid #e1251b;
                    color: #e1251b;

                    &:hover {
                      border: 1px solid #e1251b;
                      background-color: #e1251b;
                      color: white !important;
                      text-decoration: none;
                    }
                  }
                }
              }
            }
          }
        }

        .page {
          width: 733px;
          height: 66px;
          overflow: hidden;
          float: right;

          .sui-pagination {
            margin: 18px 0;

            ul {
              margin-left: 0;
              margin-bottom: 0;
              vertical-align: middle;
              width: 490px;
              float: left;

              li {
                line-height: 18px;
                display: inline-block;

                a {
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  border: 1px solid #e0e9ee;
                  margin-left: -1px;
                  font-size: 14px;
                  padding: 9px 18px;
                  color: #333;
                }

                &.active {
                  a {
                    background-color: #fff;
                    color: #e1251b;
                    border-color: #fff;
                    cursor: default;
                  }
                }

                &.prev {
                  a {
                    background-color: #fafafa;
                  }
                }

                &.disabled {
                  a {
                    color: #999;
                    cursor: default;
                  }
                }

                &.dotted {
                  span {
                    margin-left: -1px;
                    position: relative;
                    float: left;
                    line-height: 18px;
                    text-decoration: none;
                    background-color: #fff;
                    font-size: 14px;
                    border: 0;
                    padding: 9px 18px;
                    color: #333;
                  }
                }

                &.next {
                  a {
                    background-color: #fafafa;
                  }
                }
              }
            }

            div {
              color: #333;
              font-size: 14px;
              float: right;
              width: 241px;
            }
          }
        }
      }
    }
  }
</style>